1. You must care about these things when in face of unknown USB drive problem, right? Taking this into account, I decided to show you how to recover data from unknown USB device and the way to deal with the unknown USB device in Windows 10 properly. Here is a real case of unknown USB Device (Device Descriptor Request Failed) code 43 in Windows 10.
2. Method 2: I suggest you to update USB drivers in the Device Manager and check if it helps. Press Windows Key + R Key. Then type “devmgmt.msc” without the quotes and hit on Enter Key. Expand Universal Serial Bus Controllers and try to update all the drivers in the list. Right click on the drivers and click on Update Diver Software.

1. Download Device Driver Windows 10
2. Unknown Device In Windows 10
3. Unknown Usb Device Error

You’ll see information about Unknown Devices in the Device Manager. To open it on Windows 10, 8.1, or 8, right-click in the bottom-left corner of the screen or press Windows Key + X and select Device Manager. On Windows 7, press Windows Key + R, type devmgmt.msc into the Run dialog, and press Enter.

The Unknown USB device (device descriptor request failed) in Windows Device Manager on HP and Lenovo would stop your USB devices like an Android mobile, flash drive or pen drive from being properly detected for use in Windows 10, 8 or 7, but we finally resolved the USB not recognized problem for you. In case any USB malfunction could endanger data, let EaseUS Data Recovery Wizard recover data from the inaccessible USB drive.

Unknown USB Device (Device Descriptor Request Failed) is a Windows Device Manager error under the 'Universal Serial Bus controllers' section. The current device status is demonstrated as 'Windows has stopped this device because it has reported problems. (Code 43). A request for the USB device descriptor failed.'

What Is a Device Descriptor?

The device descriptor (USB_DEVICE_DESCRIPTOR) is the root of the descriptor tree and contains basic device information. idVendor and idProduct of which are the unique members for the Windows operating system to identify the connected device and determine which device driver must be loaded.

Anyway, we don't care about the tech-savvy's jargon, but only get to know - how do I fix the device descriptor when the request failed?

How Do I Fix Device Descriptor Request Failed?

Driver issues take the most responsibility for an unknown USB device on HP, Lenovo, Dell, and many computers. As you've concerned, the device descriptor request failed error is a generic unknown USB problem, so it's reasonable to suspect a driver issue at present. The USB device here mentioned can be a flash drive, pen drive, Android, digital camera, and any digital gadget that is supposed to use on a Windows machine.

In the next part, we mainly show you the common troubleshooting methods for the device descriptor request failed error in Windows 10. As a matter of fact, Windows 7 and Windows XP users are also having the same problem. Never mind applying the solutions to your own Windows operating system. They're all-OS-versions compatible.

3 Quick Fixes to Unknown USB Device (Device Descriptor Request Failed) in Windows 10

In case that unknown USB device (device descriptor request failed) error happens because the USB port is not working or USB device is damaged, the following three fixes are significant to try before going to further troubleshooting.

1. 1. Try plugging in a working USB drive to check whether the USB port is working or damaged.
2. 2. Plug your USB into a different PC to check whether the USB drive is working or damaged.
3. 3. Check if the USB device shows up in Disk Management. As long as the data matters, download EaseUS free data recovery software to recover data from the inaccessible USB device in advance.

Step 1. Run USB data recovery software.

Connect the USB flash drive to your computer and launch EaseUS USB data recovery software on your PC. Select your USB drive which marks as a removable disk, and click 'Scan' to start finding your lost files.

Step 2. Scan all lost files from USB.

EaseUS Data Recovery Wizard will thoroughly scan your USB flash drive and find all your lost data on it. After the scanning process, use the Filter feature to filter a specific file type. You can check and preview found USB files in this program.

Step 3. Restore all lost files from USB.

A double-click will allow you to preview the file results. Choose the target files and click 'Recover' to save them to a secure location on your PC or other external storage devices.

5 Advanced Fixes to Unknown USB Device (Device Descriptor Request Failed) in Windows 10

Due to the uncertainty of the exact factor that causes your USB drive malfunctioning in this way, the demonstrated solutions are not all supposed to take effect. Hence, take some patience to implement each solution until the problem solved.

1. Use Hardware and Devices troubleshooter

• Press Win+R, type Control Panel and hit Enter.
• Inside Control Panel in the search box type troubleshooter and select Troubleshooting.
• After that select Configure a device under Hardware and Sound and follow the on-screen instruction.
• Click on Apply this fix if any problem is found.

If the unknown USB device error is triggered by hardware issues, it will no longer appear after you try the above steps. If not, you need to move on to the next method to find a fix.

2. Try to Uninstall USB Drivers

• Open Device Manager (Right Click on Windows Logo and Click Device Manager).
• Now find and expand Universal Serial Bus controllers. Now right-click on USB drivers and click Uninstall. Do for all USB drivers one by one.
• Restart your PC then Windows will reinstall the device automatically.

Some people would find that uninstalling and reinstalling the driver only works once. The next time they plug in the drive, and the device descriptor request failed appears again. According to an experienced user who has been suffering the problem for long but finally found the cause of why this method does not work and how to make it work.

3. Disable Fast Startup

• Press Win+R, type Control Panel and hit Enter.
• Click on Power Options and select Choose what the power buttons do in the left pane.
• Click on Change settings that are currently unavailable.
• Under Shutdown settings, uncheck the box next to Turn on fast startup (recommended). Then click on the Save changes button.

4. Turn on Plug and Play in Windows Services

• Press Win+R, type services.msc and hit Enter.
• In Windows Services, find the name Plug and Play. Double-click on it to open the Properties window.
• If the Startup type is currently Manual and the Service status is Running, try to turn it to Disabled and Stopped, save the changes; later change the Disabled and Stopped to Manual and Running again. Click OK and Apply.
• If the Startup type is currently Disabled and the Service status is Stopped, switch to Manual and Running. Click OK and Apply.

Restart your PC and see if the unknown USB device problem has been resolved in Windows 10. if it doesn't work, try to perform a system restore to get rid of this issue.

5. Restore Your PC To Previous Recovery Points

• Press Win+R, type Control Panel and hit enter.
• Now find and open the Recovery option.
• Select System Restore, follow the on-screen guide and wait until all the recovery points are shown.
• Restore your PC from the right recovery point.

Contents:

Unknown Device Issue Overview:

As long as there is a device not working on Windows 10, not recognized or incompatible, you may notice this device displays as unknown device with a yellow exclamation in Windows 10 Device Manager.

For instance, after you plugged in the USB device, your USB mouse or keyboard doesn’t work at all and when you check it in Device Manager, there are one or more unknown devices showing under Other devices branch in Device Manager.

In short, this unknown device Windows 10 issue comes up due to mainly two aspects, the one is that Windows 10 can’t detect the hardware, not to mention to find the driver for the device, and the other one lies in that the device driver is incompatible with Windows 10.

What is Unknown Device?

Unknown device means a device cannot be recognized by Windows 10, show it renamed as an unknown device in device manager. Many devices can be called as an unknown device if Windows 10 cannot recognize it and cannot install a driver for the device, such as a graphic card, audio card, touchpad, mouse, keyboard, Bluetooth devices, USB devices etc. This often happened after you upgrade your system from Windows 7, 8 to Windows 10 or you plug a new external device on Windows 10.

How Do I find a Driver for an Unknown Device?

As Windows 10 cannot identify the hardware, it cannot install a right driver for the device, Windows 10 unknown device in Device Manager error code 28 or any other device manager error codes pop up. You can find what your error code is from Driver Properties.

Whatever your error is, USB unknown device or any other device unfound, you can make full use of the ways below to find a driver for your device and enable Windows 10 to recognize the device. At the very beginning, you are supposed to find a driver for an Unknown Device. If no driver is found for the unknown device in Device Manager, perhaps you need to troubleshoot more problems on Windows 10, such as system file, hardware error, etc.

Download Device Driver Windows 10

Solutions:

Solution 1: Using Hardware ID to Find Drivers for Unknown Devices

In the first place, you can use the hard id to find the driver for Windows 10 unknown device. In some conditions, maybe you can’t find the device name, so you are unable to find the unknown device driver from the official site or from the Internet. But every device has a hardware id, so if you know the hardware id of a device, you can use the hardware id to fix the unknown device driver issue. Here is the solution you need: how to use hardware Id to find a driver.

Solution 2: Update Unknown Device Driver

Possibly, besides hardware ID, you can get the right driver for Unknown device by updating it in Device Manager. The process of updating a driver is to find the device driver for Other devices.

Update Unknown Device Driver Via Device Manager:

1. Open device manager.

2. Expand Other devices and choose the Unknown devices.

3. Right-click it and select Update Driver Software.

This action will let Windows search the driver in the local disk and online to find a driver for the unknown device.

Using the device manager can to some degree install the right driver for the unknown device. So if this way can help solve unknown device problem, it will be good.

If this cannot help, try to install a compatible device driver from other methods.

4. Choose another option of Browse my computer for driver software.

5. Choose Let me pick from a list of available drivers on my computer. This will show compatible devices drivers and all drivers in the same category as the device.

6. In the compatible hardware list, check Show compatible hardware and you can choose the model to install this driver to replace it for your unknown device.

After it is installed, the unknown device error may disappear and the real device may be listed in device manager. If required, you would better restart Windows 10 to take effect.

Update Unknown Device Driver Automatically:

If the device manager cannot solve find a driver for the unknown device, you can try to a professional and safe driver updating tool – Driver Booster. You can use Driver Booster to identify the unknown device and then download or update the driver. Furthermore, Driver Booster is capable of fixing various error code in Device Manager, now that unknown device doesn’t have a driver, you can manage to fix the error code by Driver Booster.

1. Download Driver Booster at first.

2. After installing and running it on Windows 10, hit Scan to find out which drivers are missing, which drivers are incongruent, which drivers are faulty on your PC.

3. Then locate the driver for the unknown device to Update.

4. Here if you are not sure what device driver is causing the unknown device on Windows 10, it is feasible to Update Now to update all the device drivers for Windows 10.

Tips: How to Use Driver Booster to Fix Device Error Codes?

Here if you are encountering device error code 1 or 10 or whatever, you are able to fix the driver error code by Driver Booster.

After Driver Booster scanned for the problematic device drivers, on the left side, click Tools button and then hit Fix device error to let Driver Booster find out what causes unknown device appears in Device Manager.

When the drivers are installed, you can enter the device manager see there is still unknown device under Other devices. In some cases, it is likely that unknown device disappears from Windows 7, 8, 10 Device Manager as Driver Booster has found the driver for the undetected device.

Solution 3: Find Driver by Windows 10 Updates

In order to install the right driver for the unknown device so as to remove the device error, there is another way open to you, namely, finding a driver by checking Windows 10 updates.

1. Go to Start > Settings > Update & Security.

2. Under Windows Update, on the right side, choose to Check for updates.

For some unknown devices, after Windows 10 update, Windows 10 not recognizing the device can be fixed successfully.

Solution 4: Disable Driver Signature

When the unknown device appears in Device Manager, it implies that the device drivers are not recognized or not working on Windows 10. And as you all know, there is a driver signature for every certified driver. But sometimes, you failed to find the driver for the device as Windows 10 can’t allow your PC to install the driver due to the factor of driver signature.

Hence, on the basis of the driver safety, it is worth a shot to disable driver signature enforcement to install the driver for unknown device. May it will fix Windows 10 unknown device error.

Solution 5: Run SFC

After upgrading the Windows 10, more than an unknown device pops up under Other devices. In some sense, other devices unknown device results from the corrupted system files on Windows 10. Therefore, you would better try to run the System File Checker to see if an unknown device will perish from other devices.

1. Type in Command Prompt in the search box and then right click it to Run as administrator.

2. In Command Prompt, input sfc/scannow and then press Enter to activate SFC.

Then SFC will begin file checking and correct the problematic files if possible. You can head to Device Manager to check whether or not the unknown device still shows under Other devices.

Unknown Device In Windows 10

In a word, you can follow the methods above to fix the unknown device driver error issue on Windows 10.

Unknown Usb Device Error

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